import { NextResponse } from "next/server"

/**
 * 获取个性化推荐
 *
 * @route GET /api/recommendations
 * @param {string} type - 推荐类型，可选值：songs, albums, playlists, artists
 * @param {number} limit - 返回结果数量限制，默认为10
 *
 * @returns {Object} 返回推荐内容列表
 *
 * 请求示例:
 * GET /api/recommendations?type=songs&limit=5
 * Authorization: Bearer <token>
 *
 * 返回示例:
 * {
 *   "success": true,
 *   "data": [
 *     { "id": "1", "name": "晴天", "artist": "周杰伦", "album": "叶惠美" },
 *     { "id": "2", "name": "Blinding Lights", "artist": "The Weeknd", "album": "After Hours" },
 *     { "id": "3", "name": "Shape of You", "artist": "Ed Sheeran", "album": "÷" },
 *     { "id": "4", "name": "七里香", "artist": "周杰伦", "album": "七里香" },
 *     { "id": "5", "name": "Someone You Loved", "artist": "Lewis Capaldi", "album": "Divinely Uninspired to a Hellish Extent" }
 *   ]
 * }
 */
export async function GET(request: Request) {
  const { searchParams } = new URL(request.url)
  const type = searchParams.get("type") || "songs"
  const limit = Number(searchParams.get("limit") || "10")

  // 实现个性化推荐逻辑
  return NextResponse.json({
    success: true,
    data: [
      { id: "1", name: "晴天", artist: "周杰伦", album: "叶惠美" },
      { id: "2", name: "Blinding Lights", artist: "The Weeknd", album: "After Hours" },
      { id: "3", name: "Shape of You", artist: "Ed Sheeran", album: "÷" },
      { id: "4", name: "七里香", artist: "周杰伦", album: "七里香" },
      { id: "5", name: "Someone You Loved", artist: "Lewis Capaldi", album: "Divinely Uninspired to a Hellish Extent" },
    ].slice(0, limit),
  })
}

